Name the parties in the contract. The offer to purchase real estate form comes in various forms in New York, and can vary based on the brokerage firm.You must disclose issues with your house. State law requires you to fill out a seller's disclosure form for New York. The property and improvements which the Seller is agreeing to sell and which the Purchaser is agreeing to purchase is known as. In this article, we explain how to prepare a deal sheet and provide a sample Excel deal sheet template for you to use. Here's what to know about the paperwork for selling a house without a Realtor and more. Looking to sell your house in New York? Fill out the form below or call us at and get a FREE cash offer!